EP0840924A4 - Verfahren und gerät für mehrkanalkopfanordnung - Google Patents

Verfahren und gerät für mehrkanalkopfanordnung

Info

Publication number
EP0840924A4
EP0840924A4 EP96924606A EP96924606A EP0840924A4 EP 0840924 A4 EP0840924 A4 EP 0840924A4 EP 96924606 A EP96924606 A EP 96924606A EP 96924606 A EP96924606 A EP 96924606A EP 0840924 A4 EP0840924 A4 EP 0840924A4
Authority
EP
European Patent Office
Prior art keywords
head assembly
multiple channel
channel head
assembly
head
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP96924606A
Other languages
English (en)
French (fr)
Other versions
EP0840924A1 (de
EP0840924B1 (de
Inventor
George A Saliba
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Quantum Corp
Original Assignee
Quantum Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Quantum Corp filed Critical Quantum Corp
Publication of EP0840924A1 publication Critical patent/EP0840924A1/de
Publication of EP0840924A4 publication Critical patent/EP0840924A4/de
Application granted granted Critical
Publication of EP0840924B1 publication Critical patent/EP0840924B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/02—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/10—Structure or manufacture of housings or shields for heads
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/255—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for protection against wear
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track
    • G11B5/295—Manufacture
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/488—Disposition of heads
    • G11B5/4893—Disposition of heads relative to moving tape
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/60—Guiding record carrier
    • G11B15/62—Maintaining desired spacing between record carrier and head
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
    • G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
    • G11B5/00817—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on longitudinal tracks only, e.g. for serpentine format recording

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
EP96924606A 1995-07-26 1996-07-19 Verfahren und gerät für mehrkanalkopfanordnung Expired - Lifetime EP0840924B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US50761895A 1995-07-26 1995-07-26
US507618 1995-07-26
PCT/US1996/011924 WO1997005603A1 (en) 1995-07-26 1996-07-19 Method and apparatus for multiple channel head assembly

Publications (3)

Publication Number Publication Date
EP0840924A1 EP0840924A1 (de) 1998-05-13
EP0840924A4 true EP0840924A4 (de) 1998-09-30
EP0840924B1 EP0840924B1 (de) 2001-09-26

Family

ID=24019401

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96924606A Expired - Lifetime EP0840924B1 (de) 1995-07-26 1996-07-19 Verfahren und gerät für mehrkanalkopfanordnung

Country Status (6)

Country Link
US (1) US6040964A (de)
EP (1) EP0840924B1 (de)
JP (1) JPH11510297A (de)
KR (1) KR19990035914A (de)
DE (1) DE69615566T2 (de)
WO (1) WO1997005603A1 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6362934B1 (en) * 1999-03-24 2002-03-26 Storage Technology Corporation Highly aligned thin film tape head and method of making same
US6611398B1 (en) * 1999-08-09 2003-08-26 Quantum Corporation Tape head with support bars
US6989960B2 (en) 1999-12-30 2006-01-24 Advanced Research Corporation Wear pads for timing-based surface film servo heads
US6639753B1 (en) 2000-09-01 2003-10-28 Hewlett-Packard Development Company, L.P. Method of forming a head assembly, a head assembly, and a linear tape drive
US6433959B1 (en) 2000-10-30 2002-08-13 Storage Technology Corporation Tape head contour utilizing enclosed through slots
US6606219B2 (en) 2001-02-28 2003-08-12 Lafe Technology Limited Magnetic tape head including a transducer cluster and a block fixed to a u-shaped frame having a ridge
US6587305B2 (en) 2001-03-28 2003-07-01 Quantum Corporation Tape head with transducer supports having raised, wear-resistant surfaces at edges of softer core
US6781792B2 (en) 2001-08-23 2004-08-24 International Business Machines Corporation Method and apparatus for providing tape head assemblies having U-shaped support beams for very high density recording
US6892445B2 (en) * 2001-08-23 2005-05-17 International Business Machines Corporation Tape head module assembly system
US6937435B2 (en) * 2003-05-16 2005-08-30 Quantum Corporation Tape head with thin support surface and method of manufacture
US7154691B2 (en) * 2003-12-18 2006-12-26 Quantum Corporation Multi-format thinfilm head and associated methods
US8401866B2 (en) * 2004-04-02 2013-03-19 International Business Machines Corporation Business practices alignment methods
US7271983B2 (en) * 2004-09-16 2007-09-18 Quantum Corporation Magnetic head with mini-outriggers and method of manufacture
US7256963B2 (en) * 2004-09-16 2007-08-14 Quantum Corporation Magnetic head with adaptive data island and mini-outrigger and methods of manufacture
US20070183091A1 (en) * 2006-02-03 2007-08-09 Saliba George A Read/write head having varying wear regions and methods of manufacture
US7755863B2 (en) * 2006-03-14 2010-07-13 Quantum Corporation Adjacent track readers
JP4150065B1 (ja) 2007-03-12 2008-09-17 日立マクセル株式会社 磁気テープ装置
US8817415B2 (en) 2011-06-13 2014-08-26 Imation Corp. Erasure of magnetic storage media having perpendicular anisotropy
US8767342B2 (en) 2011-06-13 2014-07-01 Imation Corp. Erasure and servowriting of magnetic storage media having perpendicular anistropy
US8797674B2 (en) 2011-06-13 2014-08-05 Imation Corp. Servo mark length matched to write head gap for magnetic storage media
US8804276B2 (en) 2011-06-13 2014-08-12 Imation Corp. Continuous biasing and servowriting of magnetic storage media having perpendicular anisotropy
WO2013151612A1 (en) 2012-04-04 2013-10-10 Imation Corp. Perpendicular pole head for servo writing magnetic media
US8643968B2 (en) 2012-04-26 2014-02-04 Imation Corp. Methods and systems for magnetic media servo writing
US8797681B2 (en) 2012-04-26 2014-08-05 Imation Corp. Servo write head having plural spaced front blocks coupled by magnetic posts to a back bar
US8760802B2 (en) 2012-04-26 2014-06-24 Imation Corp. Systems and methods for processing magnetic media with first and second magnetic gaps adjacent opposite sides of the recording layer
US8867167B2 (en) 2012-04-26 2014-10-21 Imation Corp. Tapered pole heads for magnetic media
US9214164B2 (en) 2013-09-16 2015-12-15 International Business Machines Corporation Miniskirt tape head having quasi-statically tilted transducer arrays
US10580438B1 (en) 2018-10-18 2020-03-03 International Business Machines Corporation Multichannel tape head module having thermal device for controlling span between transducers
US11049528B2 (en) 2018-10-18 2021-06-29 International Business Machines Corporation Multichannel tape head module having thermoelectric devices for controlling span between transducers
US10930306B1 (en) 2019-11-12 2021-02-23 International Business Machines Corporation Magnetic measurement of head span spacing
US11087782B1 (en) 2020-06-16 2021-08-10 Western Digital Technologies, Inc. Shielding between heads for tape drive

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3999286A (en) * 1975-06-11 1976-12-28 Minnesota Mining And Manufacturing Company Method of making multitrack heads
JPH05120627A (ja) * 1991-10-25 1993-05-18 Matsushita Electric Ind Co Ltd 多素子磁気ヘツドの製造方法
JPH07129922A (ja) * 1993-11-09 1995-05-19 Matsushita Electric Ind Co Ltd 多素子磁気ヘッドの製造方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1112823A (fr) * 1954-09-09 1956-03-19 Electronique & Physique Perfectionnements apportés aux procédés de réalisation de dispositifs d'enregistrement et de lecture à plusieurs têtes magnétiques
NL7103549A (de) * 1971-03-17 1972-09-19
US3851375A (en) * 1972-05-08 1974-12-03 Philips Corp Method of bonding together mouldings of sintered oxidic ferromagnetic material
US3807042A (en) * 1972-08-16 1974-04-30 Honeywell Inc Method of making a magnetic head structure
JPS56159805A (en) * 1980-05-09 1981-12-09 Nippon Telegr & Teleph Corp <Ntt> Magnetic recording and reproducing system
JPS5930229A (ja) * 1982-08-10 1984-02-17 Nippon Telegr & Teleph Corp <Ntt> 磁気ヘツド
JPH0622042B2 (ja) * 1983-11-10 1994-03-23 株式会社日立製作所 磁気ヘツド
US4996609A (en) * 1989-02-22 1991-02-26 Pericomp Corporation Magnetic head recording multitrack servo patterns
JP2674220B2 (ja) * 1989-06-27 1997-11-12 ソニー株式会社 磁気ヘッドの製造方法
US5055959A (en) * 1990-01-09 1991-10-08 Digital Equipment Corporation Tape head with low spacing loss produced by narrow and wide wear regions
US5063468A (en) * 1990-05-08 1991-11-05 North American Philips Corporation Compatible magnetic head assembly
US5218493A (en) * 1991-04-15 1993-06-08 Eastman Kodak Company Magnetic recording apparatus including a magnetic head having a curved media-contact surface equal to the curvature of a rotatable drum
US5220473A (en) * 1991-05-08 1993-06-15 Eastman Kodak Company Multitrack magnetic head assembly having a tape-engaging surface contoured for continuous in-contact recording
US5426551A (en) * 1993-07-19 1995-06-20 Quantum Corp. Magnetic contact head having a composite wear surface

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3999286A (en) * 1975-06-11 1976-12-28 Minnesota Mining And Manufacturing Company Method of making multitrack heads
JPH05120627A (ja) * 1991-10-25 1993-05-18 Matsushita Electric Ind Co Ltd 多素子磁気ヘツドの製造方法
JPH07129922A (ja) * 1993-11-09 1995-05-19 Matsushita Electric Ind Co Ltd 多素子磁気ヘッドの製造方法

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 017, no. 491 (P - 1607) 6 September 1993 (1993-09-06) *
PATENT ABSTRACTS OF JAPAN vol. 095, no. 008 29 September 1995 (1995-09-29) *
See also references of WO9705603A1 *

Also Published As

Publication number Publication date
DE69615566D1 (de) 2001-10-31
DE69615566T2 (de) 2002-06-27
WO1997005603A1 (en) 1997-02-13
EP0840924A1 (de) 1998-05-13
US6040964A (en) 2000-03-21
KR19990035914A (ko) 1999-05-25
EP0840924B1 (de) 2001-09-26
JPH11510297A (ja) 1999-09-07

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